Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 04, 2024	Aug. 06, 2023	Aug. 04, 2024	Aug. 06, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 35,674	$ (7,115)	$ 665	$ (74,516)
Other comprehensive income (loss):
Unrealized net gains (losses) on available-for-sale securities	8,313	(1,685)	6,673	3,181
Less: reclassification adjustment for net gains on available-for-sale securities included in net income (loss)	(22)	(16)	(184)	(284)
Change in unrealized net gains (losses) on available-for-sale securities	8,291	(1,701)	6,489	2,897
Comprehensive income (loss)	$ 43,965	$ (8,816)	$ 7,154	$ (71,619)